Update build configurations for Java 17 compatibility and remove unused Modelfile

lynglib/build.gradle.kts

@@ -47,7 +47,11 @@ buildkonfig {
 
 kotlin {
     jvmToolchain(17)
-    jvm()
+    jvm {
+        compilerOptions {
+            jvmTarget.set(JvmTarget.JVM_17)
+        }
+    }
     androidTarget {
         publishLibraryVariants("release")
         @OptIn(ExperimentalKotlinGradlePluginApi::class)
@@ -297,8 +301,8 @@ android {
         minSdk = libs.versions.android.minSdk.get().toInt()
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_11
-        targetCompatibility = JavaVersion.VERSION_11
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
     }
 }
 dependencies {